public void GetTaxResultTest_Income_5530000_Tax_1382400()
        {
            decimal income   = 5530000;
            decimal actual   = TaxHelper.GetTaxResult(income);
            decimal expected = 1382400;

            Assert.AreEqual(expected, actual);
        }
        public void GetTaxResultTest_Income_10310000_Tax_3294400()
        {
            decimal income   = 10310000;
            decimal actual   = TaxHelper.GetTaxResult(income);
            decimal expected = 3294400;

            Assert.AreEqual(expected, actual);
        }
        public void GetTaxResultTest_Income_540001_Tax_27000p12()
        {
            decimal income   = 540001;
            decimal actual   = TaxHelper.GetTaxResult(income);
            decimal expected = 27000.12m;

            Assert.AreEqual(expected, actual);
        }